San Antonio, December 21, 2025
San Antonio, Texas, is witnessing a troubling rise in highly contagious winter viruses such as influenza, COVID-19, and respiratory syncytial virus (RSV). Local health officials are calling for vigilance among residents to combat these growing health threats. With a significant spike in influenza cases attributed to the subclade K variant, health experts stress the essential need for vaccinations and preventive measures. Additionally, a measles outbreak in West Texas underscores the importance of immunization in protecting public health during this challenging time.
San Antonio, Texas: Surge in Highly Contagious Winter Viruses Amid Nationwide Increase
San Antonio, Texas, is experiencing a significant rise in highly contagious winter viruses, including influenza, COVID-19, and respiratory syncytial virus (RSV), contributing to a nationwide surge in respiratory illnesses. Local health officials are urging residents to remain vigilant and proactive in combating these health threats.
The current situation reflects a pressing public health challenge, but it also highlights the resilience of local communities and businesses. By emphasizing preventive measures and updating public health guidelines, San Antonio can work towards minimizing the impact of these viruses. Encouragingly, many local entrepreneurs and small businesses are stepping up to help educate and support the community during this troubling time.
Influenza Cases on the Rise
Local health authorities report a substantial increase in influenza cases, with hospitals in North Texas recording a 52% jump in Influenza A cases over the past week. This uptick is attributed to the dominance of the subclade K variant, which is not well-matched to this year’s flu vaccine. Experts emphasize the importance of vaccination and preventive measures to mitigate the spread of the virus.
COVID-19 and RSV Impact
COVID-19 cases are also on the rise, with nearly 18% of tests reported to the CDC from Texas and neighboring states returning positive results. This surge is particularly concerning for vulnerable populations, including older adults and individuals with underlying health conditions. Additionally, RSV cases have been increasing, leading to higher emergency room visits and hospitalizations across the state.
Measles Outbreak in West Texas
In addition to respiratory viruses, a measles outbreak has been reported in West Texas, with 762 confirmed cases, 99 hospitalizations, and two deaths in school-aged children. The outbreak is linked to low vaccination rates in certain communities, highlighting the critical need for immunization to prevent such diseases.
Preventive Measures and Recommendations
Health officials advise residents to take preventive actions, including getting vaccinated against influenza and COVID-19, practicing good hygiene, and staying home when experiencing symptoms. Monitoring local health advisories and adhering to public health guidelines are essential steps in controlling the spread of these viruses. By supporting public health efforts, local businesses can play a vital role in fostering community resilience.
Background Context
The winter season typically sees an increase in respiratory illnesses due to factors such as colder temperatures and increased indoor gatherings. The current surge in cases emphasizes the importance of public health measures and individual responsibility in mitigating the impact of these diseases on the community.
Frequently Asked Questions (FAQ)
What viruses are currently surging in San Antonio?
San Antonio is experiencing a significant rise in influenza, COVID-19, and respiratory syncytial virus (RSV) cases.
What is the subclade K variant?
The subclade K variant is a mutation of the influenza A(H3N2) virus, currently the dominant strain in circulation nationwide. It is not well-matched to this year’s flu vaccine, making vaccination and preventive measures crucial.
How can I protect myself from these viruses?
Residents are advised to get vaccinated against influenza and COVID-19, practice good hygiene, and stay home when experiencing symptoms to help prevent the spread of these viruses.
What is the status of the measles outbreak in West Texas?
The measles outbreak in West Texas has resulted in 762 confirmed cases, 99 hospitalizations, and two deaths in school-aged children. The outbreak is linked to low vaccination rates in certain communities, emphasizing the need for immunization to prevent such diseases.
Why are respiratory illnesses more common in winter?
Colder temperatures and increased indoor gatherings during the winter season contribute to the spread of respiratory illnesses, as viruses thrive in these conditions.
Key Features of the Current Health Situation in San Antonio
| Feature | Details |
|---|---|
| Influenza Cases | 52% increase in Influenza A cases over the past week in North Texas hospitals. |
| COVID-19 Positivity Rate | Nearly 18% of tests reported to the CDC from Texas and neighboring states are positive. |
| RSV Impact | Higher emergency room visits and hospitalizations due to increasing RSV cases across the state. |
| Measles Outbreak | 762 confirmed cases, 99 hospitalizations, and two deaths in school-aged children in West Texas. |
| Preventive Measures | Health officials recommend vaccination, good hygiene practices, and staying home when symptomatic. |
Deeper Dive: News & Info About This Topic
HERE Resources
San Antonio Braces for Flu Surge Amid Winter Weather Warnings
Trump Administration’s Restrictions Impact Cancer Research Funding
San Antonio Gears Up for Free Vaccine Drive-Thru Amid Fall Season Changes
Author: STAFF HERE SAN ANTONIO WRITER
The SAN ANTONIO STAFF WRITER represents the experienced team at HERESanAntonio.com, your go-to source for actionable local news and information in San Antonio, Bexar County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as Fiesta San Antonio, San Antonio Stock Show & Rodeo, and Dia de los Muertos. Our coverage extends to key organizations like the Greater San Antonio Chamber of Commerce and United Way of San Antonio and Bexar County, plus leading businesses in retail, insurance, and energy that power the local economy such as H-E-B, USAA, and Valero Energy. As part of the broader HERE network, including HEREAustinTX.com, HERECollegeStation.com, HEREDallas.com, and HEREHouston.com, we provide comprehensive, credible insights into Texas's dynamic landscape.
